How to Wash Weighted Blankets: Complete Guide

Weighted blankets accumulate sweat, body oils, and dust just like regular bedding—but their heavy fill requires special washing care. Most weighted blankets ARE washable, either by machine or hand, though the exact method depends on the fill type and fabric material.

This guide shows you exactly how to wash weighted blankets safely without damaging the fill or fabric, plus maintenance tips to keep your blanket fresh between washes.

How to Wash Weighted Blankets Safely
How to Wash Weighted Blankets Safely

Contents

Quick Washing Guide

Machine washable weighted blankets:

  • Check weight capacity of your machine first (20+ lb capacity needed)
  • Use cold water, gentle cycle, mild detergent
  • Air dry flat or low heat tumble dry
  • Most glass bead and synthetic fills

Hand wash only weighted blankets:

  • Fill bathtub with cold water and mild detergent
  • Soak 15-20 minutes, gently agitate
  • Rinse thoroughly, squeeze out water (don’t wring)
  • Air dry flat for 24-48 hours
  • Delicate fabrics or organic fills

Never wash: Weighted blankets with internal electronics, memory foam, or “dry clean only” labels.


Are Weighted Blankets Washable?

Yes, most weighted blankets are washable—but the method varies based on construction and materials.

What Makes a Weighted Blanket Washable

Machine washable types:

  • Glass bead fill with cotton or polyester outer fabric
  • Plastic pellet fill with durable synthetic covers
  • Quilted construction that prevents fill from shifting
  • Blankets under 20-25 lbs (weight limit of home washing machines)
  • Removable, machine-washable duvet covers

Hand wash only types:

  • Organic fills (rice, sand, beans) that absorb water
  • Delicate fabrics like bamboo, silk, or velvet
  • Loose-knit or hand-knitted weighted blankets
  • Weighted blankets with leather or suede accents
  • Blankets over 25 lbs (too heavy for most home machines)

Not washable at home:

  • Blankets with built-in heating elements or electronics
  • Memory foam weighted blankets
  • Blankets labeled “dry clean only”
  • Vintage or antique weighted blankets with unknown fill

How to Check If Your Weighted Blanket Is Washable

Step 1: Read the care label

  • Located on the corner or along the edge
  • Look for washing machine symbol or hand wash symbol
  • Note any temperature restrictions

Step 2: Check the manufacturer’s website

  • Search “[brand name] weighted blanket care instructions”
  • Many brands provide detailed washing guides online
  • Contact customer service if instructions unclear

Step 3: Identify the fill material

  • Glass beads: Usually machine washable
  • Plastic poly pellets: Machine washable
  • Steel shot beads: Machine washable but very heavy
  • Organic materials (rice, beans, sand): Hand wash only or spot clean
  • Unknown fill: Err on side of caution—hand wash or dry clean

Step 4: Consider weight and machine capacity

  • Most home washing machines handle 15-20 lbs maximum
  • Wet blankets weigh significantly more (water absorption)
  • Blankets over 20 lbs need commercial machines or hand washing

How to Wash Weighted Blankets in Washing Machine

Best for: Glass bead or plastic pellet filled blankets with cotton, polyester, or microfiber covers.

Before You Start: Pre-Wash Checklist

1. Check machine capacity

  • Your blanket’s weight + water weight must fit within machine capacity
  • Rule of thumb: 15 lb blanket needs 20+ lb capacity washer
  • Front-load machines handle weight better than top-loaders

2. Inspect blanket for damage

  • Check all seams for tears or weak spots
  • Look for any fill leaking out
  • Repair minor tears before washing (prevents fill from escaping into machine)

3. Pre-treat stains

  • Spot clean visible stains with mild detergent
  • Let sit 10 minutes before washing
  • Blot, don’t rub

4. Remove duvet cover if present

  • Wash cover separately (usually easier and can handle regular wash cycle)
  • Wash inner weighted blanket less frequently

Machine Washing Steps

Step 1: Load Blanket Alone

  • Never wash weighted blanket with other items
  • Blanket needs full drum space to move and rinse properly
  • Other items can damage blanket or get crushed

Step 2: Select Gentle Cycle Settings

Water temperature: Cold or warm water only (never hot)

  • Hot water damages elastic fibers and can melt certain fills
  • Cold water prevents shrinkage and color fading

Cycle type:

  • “Delicate” or “Gentle” cycle
  • “Bulky items” cycle if available (designed for large bedding)
  • Avoid “Heavy duty” or “Normal” cycles (too aggressive)

Spin speed:

  • Low spin or no spin if possible
  • High-speed spinning stresses seams and can damage fill pockets

Step 3: Add Mild Detergent

What to use:

  • Gentle, bleach-free liquid detergent
  • Use HALF the amount for regular loads
  • Powder detergent can leave residue in fill pockets

What to avoid:

  • Bleach (weakens fabric and fades colors)
  • Fabric softener (coats fill and reduces effectiveness)
  • Harsh enzyme detergents (break down natural fibers)

Step 4: Start Wash and Monitor

  • Begin cycle
  • Listen for unusual sounds (grinding, banging = blanket is off-balance)
  • Stop and redistribute if machine struggles

Step 5: Run Extra Rinse Cycle

  • Weighted blankets trap soap easily
  • Run additional rinse to remove all detergent
  • Soap residue attracts dirt and feels stiff when dry

Machine Drying Options

Air drying (recommended):

  • Remove blanket from washer immediately
  • Lay flat on clean surface or heavy-duty drying rack
  • Reshape while wet
  • Shake and flip every 4-6 hours
  • Drying time: 24-48 hours

Machine drying (if care label allows):

  • Use low heat or “air fluff” setting only
  • Add 2-3 wool dryer balls (help with even drying and prevent clumping)
  • Check blanket every 15-20 minutes
  • Remove while slightly damp and finish air drying
  • Never use high heat (damages fill and fabric)

How to Hand Wash Weighted Blankets

Best for: Organic fills, delicate fabrics, blankets over 25 lbs, or when machine washing isn’t recommended.

Hand Washing Steps

Step 1: Fill Bathtub with Cold Water

  • Fill halfway (blanket needs room to move)
  • Use cold or lukewarm water (never warm or hot)
  • Ensure drain is closed securely

Step 2: Add Mild Detergent

  • 2-3 tablespoons of gentle liquid detergent
  • Swirl water with hand until dissolved
  • Wait for suds to distribute evenly

Step 3: Submerge Blanket Completely

  • Slowly lower blanket into water
  • Press down gently to saturate all layers
  • Ensure no air pockets remain

Step 4: Soak and Gently Agitate

  • Let soak for 15-20 minutes
  • Every 5 minutes, gently press blanket up and down like a sponge
  • Move blanket around in water slowly
  • Never scrub, wring, or twist

Step 5: Drain and Rinse Thoroughly

  • Drain soapy water while pressing blanket against tub side
  • Refill tub with clean cold water
  • Swirl blanket gently to rinse
  • Repeat rinse 2-3 times until water is clear and no suds remain

Step 6: Remove Excess Water

  • Press blanket against tub side firmly (don’t wring)
  • Lift carefully, supporting from bottom (very heavy when wet)
  • Have helper assist if blanket is large

Step 7: Transfer to Drying Area

  • Carry blanket in large bucket or use thick towels underneath
  • Move directly to flat drying surface
  • Work quickly to prevent water damage to floors

How to Spot Clean Weighted Blankets

Best for: Small stains, between deep washes, or dry-clean-only blankets.

Quick spot cleaning method:

  1. Blot fresh stains immediately
    • Use clean, dry cloth
    • Press firmly, don’t rub
    • Work from outside of stain inward
  2. Mix cleaning solution
    • 1 tablespoon mild detergent + 2 cups cold water
    • Or use gentle stain remover spray
  3. Apply to stain
    • Dampen clean cloth with solution
    • Gently dab stained area
    • Use soft-bristled toothbrush for stubborn stains (gentle circular motions)
  4. Rinse area
    • Use cloth dampened with plain cold water
    • Blot repeatedly until soap is gone
  5. Dry thoroughly
    • Press with dry towel to absorb moisture
    • Air dry flat or hang to finish drying
    • Ensure completely dry before using

Common stains and treatments:

  • Pet accidents: Enzyme cleaner (test on hidden area first), then spot clean
  • Food/drink: Blot immediately, use mild dish soap solution
  • Sweat/body oils: Mix baking soda paste, apply to area, let sit 30 min, wipe off
  • Ink/marker: Rubbing alcohol on cotton ball (dab gently)

Washing by Weighted Blanket Type

Different fills and fabrics require different care approaches.

Glass Bead Weighted Blankets

Washability: Machine washable (most common type)

Washing method:

  • Machine wash on gentle cycle, cold water
  • Use mild detergent, no bleach
  • Low heat tumble dry or air dry flat
  • Glass beads won’t melt or degrade with proper washing

Frequency: Every 2-4 weeks with regular use

Benefits: Glass beads don’t retain odors, dry quickly, very durable

Plastic Pellet Weighted Blankets

Washability: Machine washable

Washing method:

  • Machine wash gentle cycle, cold water only
  • Never use warm or hot water (can melt pellets)
  • Air dry recommended (low heat dryer acceptable)
  • Pellets may make noise during wash—this is normal

Frequency: Every 3-4 weeks

Caution: Cheaper plastic pellets can melt in dryers—air dry when unsure

Organic Fill Weighted Blankets (Rice, Beans, Sand)

Washability: Spot clean or dry clean only

Why not machine washable: Organic materials absorb water, creating mold/mildew risk and significantly increasing weight

Care method:

  • Spot clean stains only
  • Air out monthly in sunlight
  • Use removable, washable cover
  • Replace inner blanket every 2-3 years

Exception: Some brands use waterproof compartments for organic fills—check care label

Cotton or Linen Weighted Blankets

Washability: Machine washable

Washing method:

  • Cold water gentle cycle
  • Mild detergent
  • Air dry preferred (prevents shrinkage)
  • Can tumble dry low heat but expect slight shrinkage

Benefits: Breathable, naturally odor-resistant, long-lasting

Minky or Fleece Weighted Blankets

Washability: Machine washable

Washing method:

  • Cold water gentle cycle
  • Use less detergent (synthetic fibers don’t need much)
  • Never use fabric softener (reduces softness over time)
  • Air dry or low heat tumble dry

Special care: Shake vigorously after drying to fluff up pile

Bamboo Weighted Blankets

Washability: Hand wash recommended, gentle machine wash possible

Washing method:

  • Cold water only
  • Ultra-mild detergent
  • Air dry flat (never tumble dry)
  • Bamboo fabric is delicate when wet

Benefits: Naturally antimicrobial (needs less frequent washing)

Weighted Blankets with Removable Covers

Washability: Cover machine washable; inner blanket wash less frequently

Washing method:

  • Wash cover weekly or biweekly (regular laundry cycle acceptable)
  • Wash inner weighted blanket only 3-4 times per year
  • Extend blanket lifespan significantly

Best practice: Invest in 2-3 extra covers to rotate while washing


Drying Weighted Blankets Safely

Proper drying prevents:

  • Mold and mildew growth
  • Fill clumping or shifting
  • Fabric damage
  • Unpleasant odors

Air Drying Method (Safest)

Indoor flat drying:

  1. Lay clean waterproof sheet on floor or large table
  2. Place blanket flat on top
  3. Smooth out wrinkles and reshape
  4. Ensure good air circulation (open windows, use fans)
  5. Flip every 4-6 hours
  6. Total time: 24-48 hours

Outdoor line drying:

  • Hang over sturdy clothesline or deck railing
  • Fold blanket evenly over line (don’t drape to one side)
  • Secure with strong clips
  • Choose shady area (direct sun fades colors)
  • Bring inside before evening dew
  • Flip and reposition every few hours

Indoor rack drying:

  • Use heavy-duty drying rack rated for weight
  • Spread blanket evenly across multiple bars
  • Place towels underneath to catch drips
  • Rotate position regularly

Tumble Drying Method (If Allowed)

Safe tumble drying guidelines:

  • Low heat or air-fluff only
  • Add 3-4 clean tennis balls or wool dryer balls
  • Check every 20 minutes and shake blanket out
  • Remove when 90% dry, finish air drying
  • Never leave unattended

Signs to stop drying immediately:

  • Burning smell (fabric or fill overheating)
  • Loud banging (blanket too heavy for drum)
  • Unusual grinding sounds (fill escaping into machine)

How Often Should You Wash Weighted Blankets?

Washing frequency depends on use:

Weekly or Biweekly (Cover Only)

  • If blanket has removable cover
  • Wash cover as you would sheets
  • Inner blanket washed much less frequently

Every 2-4 Weeks (Full Blanket)

  • Used nightly directly on skin
  • Hot sleepers who sweat significantly
  • Pets sleep on blanket regularly
  • Prone to allergies or asthma

Every 2-3 Months (Full Blanket)

  • Used nightly over sheets
  • Cool sleepers with minimal sweating
  • No pets
  • Spot clean between washes

3-4 Times Per Year (Full Blanket)

  • Occasional use (lap blanket, couch throw)
  • Always used with cover
  • Not in direct skin contact

Signs it’s time to wash:

  • Visible stains or dirt
  • Noticeable odor
  • Feels less fresh or comfortable
  • Increased allergy symptoms

Maintenance Tips to Extend Time Between Washes

Use a Duvet Cover or Removable Cover

Benefits:

  • Protects blanket from body oils, sweat, and spills
  • Wash cover weekly, blanket 3-4 times yearly
  • Extends blanket lifespan by 50-100%
  • Easy to change and customize style

How to choose:

  • Ensure cover is same size or slightly larger than blanket
  • Look for zipper or tie closures
  • Choose machine-washable fabric (cotton, microfiber)

Air Out Regularly

Monthly maintenance:

  • Hang blanket outside in fresh air for 2-3 hours
  • Choose dry, breezy day (not humid)
  • Hang in shaded area
  • Shake vigorously before bringing inside
  • Naturally refreshes and reduces odors

Spot Clean Immediately

Quick action prevents set-in stains:

  • Blot spills immediately
  • Spot clean within first hour
  • Prevents need for full wash

Rotate Usage

If you have multiple blankets:

  • Rotate between two blankets
  • Each gets half the wear
  • Doubles lifespan of both

Store Properly When Not in Use

Seasonal storage:

  • Wash before storing
  • Ensure completely dry
  • Fold loosely or roll
  • Store in breathable cotton bag
  • Keep in cool, dry place
  • Avoid plastic bins (trap moisture)

Common Weighted Blanket Washing Mistakes

Mistake 1: Washing Too Frequently

The problem: Excessive washing wears out fabric and seams prematurely.

The fix: Use removable cover, spot clean, and wash full blanket only when necessary (2-4 times yearly for covered blankets).

Mistake 2: Using Hot Water

The problem: Shrinks fabric, can melt plastic pellet fills, damages elastic.

The fix: Always use cold or lukewarm water, never hot.

Mistake 3: Overloading Detergent

The problem: Excess soap trapped in fill pockets, attracts dirt, feels stiff.

The fix: Use half the normal detergent amount, run extra rinse cycle.

Mistake 4: High Heat Drying

The problem: Melts fills, shrinks fabric, damages weighted pockets.

The fix: Air dry or use lowest heat setting only.

Mistake 5: Skipping Weight Check

The problem: Blanket too heavy for machine capacity, breaks washer or leaves blanket poorly cleaned.

The fix: Weigh your blanket, check machine capacity, use commercial machines for 20+ lb blankets.

Mistake 6: Not Checking for Damage First

The problem: Tears get worse in wash, fill escapes into machine.

The fix: Inspect and repair all seams before washing.


When to Replace Your Weighted Blanket

Average lifespan: 3-5 years with proper care

Replace when you notice:

  • Multiple seam tears that keep reappearing
  • Significant fill shifting that can’t be redistributed
  • Fabric thinning or becoming threadbare
  • Uneven weight distribution affecting comfort
  • Persistent odors that don’t wash out
  • Loss of therapeutic effectiveness

Extend lifespan by:

  • Using removable cover consistently
  • Washing properly and minimally
  • Storing correctly when not in use
  • Repairing small tears immediately
  • Avoiding pets or sharp objects on blanket

Frequently Asked Questions

Can you put a weighted blanket in the washing machine?

Yes, most weighted blankets with glass beads or plastic pellets are machine washable on a gentle cycle with cold water. However, check your washing machine’s weight capacity first—most home machines handle 15-20 lbs maximum. Blankets heavier than your machine’s capacity need hand washing or commercial washing machines. Always check the care label before machine washing.

How do you dry a weighted blanket after washing?

The safest method is air drying flat on a clean surface, flipping every 4-6 hours until completely dry (24-48 hours). You can also hang it over a sturdy clothesline. If the care label permits, tumble dry on low heat with dryer balls, checking every 20 minutes. Never use high heat—it can damage both the fill and fabric.

Can weighted blankets with organic fills be washed?

No, weighted blankets filled with rice, beans, corn, or sand should not be washed in water. These materials absorb moisture and can develop mold. Instead, spot clean stains and use a removable, washable cover. Air the blanket outside monthly to keep it fresh. Some brands use waterproof compartments for organic fills—check your specific care label.

How often should I wash my weighted blanket if I use a duvet cover?

Wash the duvet cover weekly or biweekly as you would regular sheets. The inner weighted blanket only needs washing 3-4 times per year since the cover protects it from direct contact with body oils and sweat. This dramatically extends the blanket’s lifespan and reduces wear on the weighted components.

What detergent should I use for weighted blankets?

Use a mild, bleach-free liquid detergent in half the amount you’d use for regular laundry. Avoid fabric softener, harsh enzyme detergents, or bleach—these can damage the fabric and affect the fill. Gentle detergents like Woolite, Seventh Generation Free & Clear, or any sensitive-skin formula work well.

Can I wash a 25-pound weighted blanket at home?

Most home washing machines have a 15-20 lb capacity and cannot safely handle a 25 lb blanket, especially when wet (which significantly increases weight). For blankets over 20 lbs, use a commercial laundromat machine with higher capacity, hand wash in a bathtub, or take to professional cleaners. Forcing an oversized blanket into a home machine can damage both the washer and the blanket.


Quick Care Summary

Before washing:

  • Check care label and machine capacity
  • Inspect for tears or damage
  • Pre-treat any stains
  • Remove duvet cover if present

Machine washing:

  • Wash alone on gentle cycle
  • Cold or lukewarm water only
  • Mild detergent (half normal amount)
  • Extra rinse cycle
  • Low spin or no spin

Hand washing:

  • Cold water in bathtub
  • Soak 15-20 minutes
  • Gentle agitation only
  • Rinse 2-3 times thoroughly

Drying:

  • Air dry flat (preferred method)
  • Flip every 4-6 hours
  • Low heat tumble dry only if allowed
  • Ensure 100% dry before use
  • Never use high heat

The Bottom Line

Most weighted blankets are washable, but success depends on following the right method for your specific blanket type. Always check the care label first, use cold water and mild detergent, and prioritize air drying over machine drying.

Key takeaways:

  • Glass bead and plastic pellet fills are machine washable
  • Organic fills (rice, beans) require spot cleaning only
  • Use removable covers to reduce washing frequency
  • Wash full blankets only 3-4 times yearly if covered
  • Air dry flat for 24-48 hours for best results

Proper washing maintains your weighted blanket’s comfort and effectiveness for years. When in doubt, hand wash or consult the manufacturer—protecting your investment is always worth the extra care.


About Palladecor: We provide expert guidance on caring for your home textiles, helping you maintain comfort and quality through proper maintenance practices.